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Rectangular black metal 2.5 inch SSD with label showing Samsung 830 Series 256GB

SAMSUNG

SAMSUNG 830 Series MZ-7PC256B/WW 2.5" 256GB internal SSD

SKU CH-1WXT-TGXY0 MPN MZ-7PC256B/WW

A 2.5-inch 256GB SATA internal SSD delivering 520 MB/s reads and 400 MB/s writes with 1,500,000-hour MTBF

  • Total capacity256 GB
  • Sequential read speedUp to 520 MB/s
  • Sequential write speedUp to 400 MB/s
  • Interface typeSATA III
  • Form factor2.5 in (6.35 cm)
  • Product typeInternal Solid State Drive (SSD)
  • Sequential read speed up to 520 MB/s accelerates boot and load times
  • Sequential write speed up to 400 MB/s moves large files quickly
  • Random read IOPS up to 80,000 keeps multitasking responsive
  • Random write IOPS up to 36,000 handles heavy write workloads
  • 1,500,000 hour MTBF indicates long-term drive reliability

Samsung 830 Series 256GB SATA SSD

The Samsung 830 Series MZ-7PC256B/WW is a 2.5 inch internal solid state drive with 256GB capacity. It uses MLC memory and a Samsung controller over a SATA III interface. Rated speeds reach 520 MB/s sequential read and 400 MB/s sequential write. Random performance hits 80000 IOPS read and 36000 IOPS write.

Compatibility checklist before ordering

Verify your system has a free 2.5 inch drive bay and a SATA data plus power connection. The drive height is .28 inches and width is 2.75 inches. Software compatibility covers Windows 7 32 and 64 bit, Vista SP1 and above, XP SP2 and above, Server 2003 and 2008, Mac OSX and Linux. Hardware compatibility includes the same Windows versions, Vista, XP, Mac OSX and Linux.

Thermals noise and power draw

Idle power consumption is .08W and active power is .12W, so heat output is minimal. With no moving parts the drive runs silently in normal use. Operating humidity range is 5 to 95 percent RH. MTBF is rated at 1500000 hours for long term reliability.

How it compares

Measured against everything we stock in Internal NVMe & SATA SSDs, at today’s prices. Recalculated every night.

Price $163.99
Cheaper than about 54% of the 1,994 comparable items (median $180.49).
Total capacity 256 GB
Lower than about 80% of the 1,368 comparable items (median 1 TB).
Sequential read speed Up to 520 MB/s
Lower than about 90% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $640.59 per TB
Pricier than about 90% of the 1,362 comparable items (median $165.50 per TB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameSAMSUNG
Product line830 Series
Model nameMZ-7PC256B/WW
Total capacity256 GB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 520 MB/s
Sequential write speedUp to 400 MB/s
Random read (4K)Up to 80,000 IOPS
Random write (4K)Up to 36,000 IOPS
Storage
NAND flash typeMLC
Controller chipSamsung
Ports & slots
Interface typeSATA III
Power
Idle power draw0.08 W
Active power draw0.12 W
Size & build
Form factor2.5 in (6.35 cm)
Overall height0.28 in (0.71 cm)
Overall width2.75 in (6.99 cm)
Product depth3.94 in (10 cm)
Product weight0.14 lb (0.06 kg)
Shipping weight0.16 kg
Package size142 × 142 × 18 mm
Environment & compliance
Operating humidity range5% to 95% RH
More details
Mean time between failures1,500,000 h

Questions about this item

Does the 256GB 830 Series drive ship with a mounting bracket or SATA cable, or do I need to buy them separately?

The drive is supplied as the bare 2.5 inch unit; mounting hardware and a SATA III data cable are not included and must be sourced separately if your system lacks them.

Which capacity in the 830 Series range suits a Windows 7 boot drive with room for core applications?

The 256GB model provides enough space for the OS, updates and a typical application set while leaving headroom for TRIM to maintain performance.

What do the 520 MB/s read and 400 MB/s write figures mean when the drive is installed in a laptop?

They represent peak sequential throughput on a SATA III link; real-world boot and load times will be lower but still far above mechanical drives.

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